Challenges
Build your own Claude Code
using C++
Learn about LLM APIs, tool calling, agent loops and more
1/6
stages
Build your own Shell
using C++
Learn about parsing shell commands, executing programs and more
45/76
stages
June 2026
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Started the Build your own Shell challenge using C++
April 2026
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Started the Build your own Claude Code challenge using C++
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Joined CodeCrafters